paccar.com Domain Breach Exposure Report

The telemetry indicates a significant exposure event impacting PACCAR, with a total of 49,348 recorded events over the period. The vast majority of these events, 96%, are classified as historical data breaches, while 4% are active infostealer logs. The timeline shows a surge in employee-related events in September 2025 and January 2026, with client-related events also peaking in September 2025 and March 2026. The primary malware family associated with the infostealer activity is Redline, accounting for 89.4% of identified malware. The data suggests a high risk of credential compromise and potential further data exfiltration due to the prevalence of infostealer activity and the nature of the data breach events, which appear to originate from combolist sources and database dumps. The priority for remediation should focus on mitigating the impact of the historical data breaches and actively addressing the ongoing infostealer threat. This includes strengthening authentication mechanisms, particularly for services like eportal.paccar.com and jobs.paccar.com, and enhancing endpoint security to detect and remove infostealer malware like Redline. Given the nature of the data breaches originating from combolist sources, a comprehensive review of credential management and user awareness training is also critical.